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Night Key
- Año: 1937
- País: United States of America
- Género: Ciencia ficción, Crimen
- Estudio: Universal Pictures
- Palabra clave: robbery, inventor, kidnapping, gangster, car crash, thief, police chase, burglar alarm, alarm, petty theft, blurred sight
- Director: Lloyd Corrigan
- Emitir: Boris Karloff, Warren Hull, Jean Rogers, Alan Baxter, Hobart Cavanaugh, Samuel S. Hinds